Ebrahim Byagowi 11d583a9ea

[aat] Consume glyph insertion from buffer's max_ops (#2223) ...

Glyph insertion is an expensive operation and we like to have it limited
based on buffer's input size which is handled by buffer's max_ops.

clusterfuzz-testcase-minimized-harfbuzz_fuzzer-5754958982021120:

Before the change: 0.67s user 0.00s system 99% cpu 0.674 total
 After the change: 0.02s user 0.00s system 98% cpu 0.024 total

Which takes much longer on valgrind and tsan bots.

2020-07-13 18:53:06 -07:00

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